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  <body for="html-export" id="body" style="margin:0">
    <div class="smartperf smartperf-preview" style="min-height: 99vh;">
      <h1 class="mume-header fontColor">Scheduling analysis抓取和展示说明</h1>

      <p class="fontColor">抓取和展示CPU调度分析，线程调度分析相关数据。</p>
      <h2 class="mume-header fontColor">Scheduling analysis的抓取</h2>

      <h3 class="mume-header fontColor" id="header-index-1">Scheduling analysis抓取界面配置说明</h3>

      <p class="fontColor">
        打开Scheduling analysis开关抓取调度分析数据。同时请打开对应的Flags标记(Disabled切换为Enabled)。
        <br />
        <img src="../figures/Schedulinganalysis/scheduset.jpg" alt="GitHub Logo" />
      </p>
      <h3 class="mume-header fontColor" id="header-index-2">Scheduling analysis文件的抓取</h3>

      <p class="fontColor">
        点击Record setting，在output file path输入文件名hiprofiler_dataScheduling.htrace，拖动滚动条设置buffer
        size大小是64MB，抓取时长是50s。
        <br />
        <img src="../figures/Schedulinganalysis/schedusetting.jpg" alt="GitHub Logo" />
        <br />
        点击Trace command，就会根据上面的配置生成抓取命令，点击Record抓取，抓取过程中会显示抓取时长。
        <br />
        <img src="../figures/Schedulinganalysis/scheduexcuting.jpg" alt="GitHub Logo" />
      </p>
      <h2 class="mume-header fontColor">Scheduling analysis功能介绍</h2>

      <p class="fontColor">将抓取的文件导入到smartperf工具查看。</p>
      <h3 class="mume-header fontColor" id="header-index-3">CPU频点分析</h3>

      <p class="fontColor">
        点击下拉列表框选择CPU Frequency，可以看到各核CPU的各频点持续时长的占比图，以颜色区分各频点。
        <br />
        <img src="../figures/Schedulinganalysis/CPUFrequencychart.jpg" alt="GitHub Logo" />
        <br />
        点击CPU Frequency饼图，可以跳转到详细信息界面，用饼图和表格来展示某个CPU下各频点持续时长的的相关数据。
        <br />
        <img src="../figures/Schedulinganalysis/CPUFrequencydetailinfo.jpg" alt="GitHub Logo" />
      </p>
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
No：编号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
frequency：频率。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
min：最小时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
max：最大时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
average：平均时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
duration：运行总时长。
</pre
          >
        </li>
      </ul>
      <p class="fontColor">
        点击详细页的CPU Frequency饼图，可以跳转某个CPU下某个频点的运行的线程信息。
        <br />
        <img src="../figures/Schedulinganalysis/CPUFrequencythreaddetail.jpg" alt="GitHub Logo" />
      </p>
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
No：编号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
t_name：线程名。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
tid：线程id。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
p_name：进程名。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
p_pid：进程id。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
duration：运行总时长。
</pre
          >
        </li>
      </ul>
      <h3 class="mume-header fontColor" id="header-index-4">CPU Idle分析</h3>

      <p class="fontColor">
        点击下拉列表框选择CPU Idle，可以看到各CPU的Idle的时长占比饼图，以颜色区分各Idle。
        <br />
        <img src="../figures/Schedulinganalysis/CPUidlechart.jpg" alt="GitHub Logo" />
        <br />
        点击CPU Idle饼图，可以跳转到某CPU的idle分析的详细数据，以饼图和表格的形式展示。
        <br />
        <img src="../figures/Schedulinganalysis/CPUidledetailinfo.jpg" alt="GitHub Logo" />
      </p>
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
No：编号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
idle：idle值。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
min：最小时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
max：最大时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
average：平均时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
duration：运行总时长。
</pre
          >
        </li>
      </ul>
      <h3 class="mume-header fontColor" id="header-index-5">CPU Irq分析</h3>

      <p class="fontColor">
        点击下拉列表框选择CPU Irq，可以看到各CPU的Irq的时长占比饼图，以颜色区分。
        <br />
        <img src="../figures/Schedulinganalysis/CPUirqchart.jpg" alt="GitHub Logo" />
        <br />
        点击CPU Irq饼图，可以跳转到某CPU的Irq分析的详细数据，以饼图和表格的形式展示。
        <br />
        <img src="../figures/Schedulinganalysis/CPUirqdetailinfo.jpg" alt="GitHub Logo" />
      </p>
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
No：编号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
block：irq的类型。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
name：irp名称。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
min：最小时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
max：最大时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
average：平均时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
duration：运行总时长。
</pre
          >
        </li>
      </ul>
      <h3 class="mume-header fontColor" id="header-index-6">CPU占用率显示</h3>

      <p class="fontColor">
        以表格显示各CPU的占用率。
        <br />
        <img src="../figures/Schedulinganalysis/CPUusagechart.jpg" alt="GitHub Logo" />
      </p>
      <h3 class="mume-header fontColor" id="header-index-7">Top20线程大中小核占用率</h3>

      <p class="fontColor">
        选择Thread Analysis标签页，各个CPU通过勾选big或者middle或者little来设置CPU的分类。
        <br />
        <img src="../figures/Schedulinganalysis/CPUsetting.jpg" alt="GitHub Logo" />
        <br />
        各CPU勾选好大中小核，点击Upload可以跳转到各个线程CPU占用率情况的展示页面。
        <br />
        <img src="../figures/Schedulinganalysis/CPUdetailsetting.jpg" alt="GitHub Logo" />
        <br />
        如上图所示：
      </p>
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
三色柱状图：各个线程CPU的占用率情况，其中以颜色区分占用的大中小核的占用率情况，并以表格的形式展示各个线程的基本信息和大中小核占用率。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
单色柱状图：分别统计线程在某一个类别（大、中、小）的CPU的占用率，并显示出线程的基本信息和占用率。
</pre
          >
        </li>
      </ul>
      <p class="fontColor">表格的字段说明：</p>
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
tid：线程号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
t_name：线程名。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
pid：进程号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
p_name：进程名。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
big core：大核占用时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
middle core：中核占用时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
little core：小核占用时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
cpu..(us)：运行总时长(..代表cpu号)。
</pre
          >
        </li>
      </ul>
      <h3 class="mume-header fontColor" id="header-index-8">单个线程频点分布</h3>

      <p class="fontColor">
        点击单个线程频点分布的标签，通过在Thread Search选择线程，来展示单个线程的频点分布情况。
        <br />
        <img src="../figures/Schedulinganalysis/CPUfrequencybythread.jpg" alt="GitHub Logo" />
      </p>
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
NO：编号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
cpu：cpu编号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
frequency：频点。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
duration：运行时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
%：频点占用率。
</pre
          >
        </li>
      </ul>
      <h3 class="mume-header fontColor" id="header-index-9">Top20单次运行超长线程</h3>

      <p class="fontColor">
        通过点击Top20单次运行超长线程标签，显示线程的单次运行时长来统计出单次运行时长最大的20个线程。
        <br />
        <img src="../figures/Schedulinganalysis/Top20Threadduration.jpg" alt="GitHub Logo" />
      </p>
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
NO：编号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
tid：线程号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
t_name：线程名。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
pid：进程号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
p_name：进程名。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
max duration：最大运行时长。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
timestamp：时间戳信息。
</pre
          >
        </li>
      </ul>
      <h3 class="mume-header fontColor" id="header-index-10">Top20进程线程数</h3>

      <p class="fontColor">
        通过点击Top20进程线程数标签，显示线程数量最多的20个进程，以饼图和表格方式显示。
        <br />
        <img src="../figures/Schedulinganalysis/Top20Threadnum.jpg" alt="GitHub Logo" />
      </p>
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
NO：编号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
pid：进程号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
p_name：进程名。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
thread count：线程数量。
</pre
          >
        </li>
      </ul>
      <h3 class="mume-header fontColor" id="header-index-11">Top20切换次数线程</h3>

      <p class="fontColor">
        通过点击Top20切换次数线程标签，显示切换次数最多的20个进程，以饼图和表格方式显示。
        <br />
        <img src="../figures/Schedulinganalysis/Top20swtichcount.jpg" alt="GitHub Logo" />
      </p>
      <ul class="fontColor">
        <li>
          <pre class="smartperf-text fontColor light">
NO：编号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
tid：线程号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
t_name：线程名。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
pid：进程号。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
p_name：进程名。
</pre
          >
        </li>
        <li>
          <pre class="smartperf-text fontColor light">
sched_switch count：切换次数。
</pre
          >
        </li>
      </ul>
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